<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>聚光加载</title>
  <style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      background-color: #102626;
    }
    .contianer {
      position: relative;
      width: 100%;
      display: flex;
      justify-content: center;
      align-items: center;
      -webkit-box-reflect: below 1px linear-gradient(#0001, #0004);
    }
    .contianer .loader {
      position: relative;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      background: #0d2323;
      animation: animate 2s linear infinite;
    }
    @keyframes animate {
      0% {
        transform: rotate(0deg);
      }
      100% {
        transform: rotate(360deg);
      }
    }
    .contianer .loader::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 50%;
      height: 100%;
      background: linear-gradient(to top, transparent, rgba(0, 255, 249, .4));
      background-size: 100px 180px;
      background-repeat: no-repeat;
      border-top-left-radius: 100px;
      border-bottom-left-radius: 100px;
    }
    .contianer .loader::after {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 20px;
      background-color: #00fff9;
      border-radius: 50%;
      z-index: 10;
      box-shadow: 0 0 10px #00fff9,
                  0 0 20px #00fff9,
                  0 0 30px #00fff9,
                  0 0 40px #00fff9,
                  0 0 50px #00fff9,
                  0 0 60px #00fff9,
                  0 0 70px #00fff9,
                  0 0 80px #00fff9,
                  0 0 90px #00fff9,
                  0 0 100px #00fff9;
    }
    .contianer .loader span {
      position: absolute;
      top: 20px;
      left: 20px;
      right: 20px;
      bottom: 20px;
      background: #102626;
      border-radius: 50%;
    }
  </style>
</head>
<body>
  <div class="contianer">
    <div class="loader"><span></span></div>
  </div>
</body>
</html>